Release 4.1.0

What's Changed

• Modernize infrastructure by @elbersb in #111
• Switch to ruff for linting/formatting by @elbersb in #113
• Add ty type checker and fix errors by @elbersb in #114
• Fix formatting by @elbersb in #116
• Release 4.1.0 by @elbersb in #117

New Contributors

• @elbersb made their first contribution in #111

Full Changelog: 4.0.0...4.1.0